The temperature on March 20, 1868 was about 8.3 °C. There was 0.5 mm of rain. The air pressure was 6 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 77%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
June 1 » The Treaty of Bosque Redondo is signed, allowing the Navajo to return to their lands in Arizona and New Mexico.
August 18 » French astronomer Pierre Janssen discovers helium.
September 23 » Grito de Lares ("Lares Revolt") occurs in Puerto Rico against Spanish rule.
September 25 » The Imperial Russian steam frigate Alexander Nevsky is shipwrecked off Jutland while carrying Grand Duke Alexei Alexandrovich of Russia.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
December 25 » Pardons for ex-Confederates: United States President Andrew Johnson grants an unconditional pardon to all Confederate veterans.
When copying data from this family tree, please include a reference to the origin: Kerri Wiggins, "Wiggins-Mergenthaler Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/wiggins-mergenthaler-family-tree/P4138.php : accessed May 9, 2025), "Floyd E. Ferris (1807-1868)".
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